rotated (landscape) pages in portrait document

* rotated (landscape) pages in portrait document
@ 2010-10-01 15:41 Mojca Miklavec
  2010-10-01 16:12 ` Wolfgang Schuster
  2010-10-01 16:26 ` Wolfgang Schuster
  0 siblings, 2 replies; 6+ messages in thread
From: Mojca Miklavec @ 2010-10-01 15:41 UTC (permalink / raw)
  To: mailing list for ConTeXt users

Dear list,

First one question: what is the MKIV-way of doing something like

\startbuffer[a]
% set text width for formula somehow
\startformula\startalign
\NC a \NC = b \NR
\stopalign\stopformula
\stopbuffer

\framed{\rotate[rotation=90]{\externalfigure[\jobname-a.tmp]}}

possibly adjusting width of formula to actual width (even if that is
done manually)?

And the other question: is there some quick trick that would "rotate
the whole page" inside a document, so that the page would still be
portrait, but text would be rotated with textwidth and textheight
swapped, but with preserved main header (in reality I do not care
about the header).

I would like to put a narrow, but several lines long equation
(\startalign) on left (bottom) and image on the right (top).

I was playing with an approximation

\rotate[rotation=90]{\vbox{
\startformula\startalign[n=6,align={middle,middle,right,middle,left,left}]
\NC l \NC\hbox to 1em{}\NC m_l \NC\hbox to 1em{}\NC \text{orb.}\hbox
to 2em{} \NC Y_{lm}\NR
\NC 0 \NC\NC 0    \NC\NC s           \NC \frac{1}{2}\sqrt{\frac{
1}{π}}                     \NR
\NC 1 \NC\NC 0    \NC\NC p_z         \NC \frac{1}{2}\sqrt{\frac{
3}{π}}\frac{z}{r}          \NR
\NC 1 \NC\NC \pm1 \NC\NC p_x         \NC \frac{1}{2}\sqrt{\frac{
3}{π}}\frac{x}{r}          \NR
\NC   \NC\NC      \NC\NC p_y         \NC \frac{1}{2}\sqrt{\frac{
3}{π}}\frac{y}{r}          \NR
\NC 2 \NC\NC 0    \NC\NC d_{z^2}     \NC \frac{1}{4}\sqrt{\frac{
5}{π}}\frac{3z^2-r^2}{r^2} \NR
\NC 2 \NC\NC \pm1 \NC\NC d_{xz}      \NC
\frac{1}{2}\sqrt{\frac{15}{π}}\frac{xz}{r^2}       \NR
\NC   \NC\NC      \NC\NC d_{yz}      \NC
\frac{1}{2}\sqrt{\frac{15}{π}}\frac{yz}{r^2}       \NR
\NC 2 \NC\NC \pm2 \NC\NC d_{xy}      \NC
\frac{1}{2}\sqrt{\frac{15}{π}}\frac{xy}{r^2}       \NR
\NC   \NC\NC      \NC\NC d_{x^2-y^2} \NC
\frac{1}{4}\sqrt{\frac{15}{π}}\frac{x^2-y^2}{r^2}  \NR
\stopalign\stopformula}}
% and then externalfigure on the right ...

but the formula takes exactly \textwidth space, I didn't manage to
convince it to consume less space (I could probably change textwidth
locally).

I know for workarounds (typesetting a different document for example
and then include the page), but I really wonder if switching
orientation just for a page (to typeset a table for example) is doable
in some elegant way.

This is all low priority though.

Thanks a lot,
    Mojca
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